Using the online timetable is an easy way to look at all the direct flights Houston — Seattle
120 flights in a week
Departure and arrival times are local (Houston and Seattle)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 06:00 | 08:40 | daily | AS453 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 40m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 06:00 | 08:42 | fri, sat, sun | AS453 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 42m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 06:00 | 08:47 | mon, thu, fri, sat, sun | AS453 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 47m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 07:35 | 10:22 | mon, thu, fri, sat | UA1894 | United Express | 4h 47m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 10:40 | wed | AS399 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 40m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 08:00 | 10:45 | tue, wed, fri, sat, sun | AS399 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 45m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 08:15 | 10:46 | tue | 5Y8386 | Atlas Air | 4h 31m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 09:00 | 11:45 | daily | AS399 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 45m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 09:57 | 12:46 | daily | UA2606 | United Express | 4h 49m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 10:00 | 12:46 | mon, wed, sun | UA2089 | United Express | 4h 46m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 10:02 | 12:51 | mon, thu, fri, sun | UA1486 | United Express | 4h 49m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 10:20 | 12:55 | tue, wed | WN2592 | Southwest Airlines | 4h 35m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 12:15 | 14:50 | mon, thu, fri | WN3017 | Southwest Airlines | 4h 35m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 12:35 | 15:10 | sun | WN986 | Southwest Airlines | 4h 35m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 13:35 | 16:10 | tue, wed | WN986 | Southwest Airlines | 4h 35m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 13:45 | 16:25 | mon, thu, fri | WN1465 | Southwest Airlines | 4h 40m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 14:45 | 17:31 | daily | UA1653 | United Express | 4h 46m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 16:25 | 19:14 | mon, fri, sat, sun | UA774 | United Express | 4h 49m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 16:25 | 19:11 | mon, tue, sun | UA774 | United Express | 4h 46m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 16:30 | 19:16 | wed | UA774 | United Express | 4h 46m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 16:49 | 19:37 | sun | UA250 | United Express | 4h 48m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 18:00 | 20:40 | sat | WN986 | Southwest Airlines | 4h 40m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 18:27 | 21:15 | wed | UA382 | United Express | 4h 48m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 18:30 | 21:18 | daily | UA2119 | United Express | 4h 48m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 18:39 | 21:23 | mon, fri, sat, sun | UA2197 | United Express | 4h 44m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 18:50 | 21:30 | sun | WN2592 | Southwest Airlines | 4h 40m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 19:00 | 21:44 | thu | UA2197 | United Express | 4h 44m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 19:10 | 21:53 | daily | AS439 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 43m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 19:23 | 22:05 | mon, thu, fri, sun | AS439 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 42m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 19:28 | 22:17 | daily | AS439 | Alaska Horizon (Honoring Those Who Serve Livery) | 4h 49m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 20:05 | 22:52 | daily | UA2456 | United Express | 4h 47m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 20:28 | 23:15 | mon, tue, fri, sun | UA2456 | United Express | 4h 47m | George Bush Intercontinental Airport — Seattle-Tacoma International Airport | Select dates |
| 20:50 | 23:30 | sat | WN2592 | Southwest Airlines | 4h 40m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |
| 22:00 | 22:54 | sun | SY8601 | Sun Country Airlines | 2h 54m | William P. Hobby Airport — Seattle-Tacoma International Airport | Select dates |